Home / 13,256,011.47-18,293,009.00-7,674,493.32

Finding the Fourth Proportional to 13,256,011.47, 18,293,009.00 and 7,674,493.32

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Solution

The fourth proportional to 13,256,011.47, 18,293,009.00 and 7,674,493.32 is: 10,590,634.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256,011.47 : 18,293,009.00 = 7,674,493.32 : x
  2. Step 2: Convert to fraction form
    13,256,011.47/18,293,009.00 = 7,674,493.32/x
  3. Step 3: Cross multiply
    13,256,011.47x = 18,293,009.00 × 7,674,493.32
  4. Step 4: Simplify right side
    13,256,011.47x = 140,389,575,363,606.78
  5. Step 5: Solve for x
    x = 140,389,575,363,606.78/13,256,011.47
  6. Step 6: Final answer
    x = 10,590,634.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.